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(No Model.) 2` Sheets-Sheet 1.

A J. Y. MOGONNBLL.

COMBINATION LOGOMOTIVE. No. 561,022. Patented May 26, 1896.-

ANDREW BmmAM PHOTO-UTNQWASNINGYONBC (No Model.) 2 Sheets-Sheet 2l J. Y. MOGONNBLL. .COMBINATION LOGOMOTIVE.

No. 661,022. Patented May 26.1896.

FITCT, 3,

Inventor.' Taco/ XMCo/f/rael Wtnesse AN DREW E GRAHAM, PHOT0 Lrm0-wAsnl NGTDN. N

UNITEDk STATES PATENT I FFICE.

JACOB Y. MCOONNELL, OF DARBY, PENNSYLVANIA, ASSIGNOR TO GEORGE BURNHAM, ED WARD H. VILLIAMS, VVILLIAIWI P. HENSZEY, JOHN H. CON- VERSE, VILLIAM L. AUSTIN, SAMUEL M. VAUOLAIN, ALBA B. JOHNSON, AND GEORGE BURNHAM, JR., OF PHILADELPHIA, PENNSYLVANIA.

COMBINATION-LOCOIVIOTIVE.

SPECIFICATION forming part of Letters Patent No. 561,022, dated May 26, 1896. Application filed April 11, 1895. Serial No. 545,388. (No model.)

To all whom it may concern: on the axle I), on which the toothed wheels (l Be it known that I, JACOB Y. MCCONNELL, are secured. 50 a citizen of the United States, and a resident The axle D is provided in Jthe present inof Darby, Delaware county, Pennsylvania, stance with flanged carrying-wheels d2, which 5 have invented certain Improvements in Comrest upon the rails of the track and act to bination-Locomotives, of which the following steady the axleand its toothed Wheels. is a specification. 3 is the steam-chest for the cylinder ft2, and 5 5 My invention relates to that class of locoi* is the steam-chest for the compound cylinmotives in which are combined the adhesion ders, as illustrated by dotted lines in Fig. 2. 1o driving-gear and the rack driving-gear. I have not shown the valve mechanism for The object of my invention is to so combine either section of the engine, as any mechanthese two features inalocomotive that asingle ism may be used without departing from my 6o frame at each side may be used and the cylinvention. It will also be understood that inders for the rack mechanism may be arwhile I have shown the axle D provided with I5 ranged on the outside of the framework. two toothed wheels dd a single wheelmay be In the accompanying drawings, Figure 1 is usedin connection with a plain rack, as shown a side view of sufficient of a locomotive tov in Fig. 4c. 65 illustrate my invention. Fig. 2 is a trans- It will be seen by the above description that verse sectional view. Figs. 3 and 4 are views I dispense entirely with the secondary frame zo of a modication of the arrangement of the usually employed in locomotives of this class, mechanism. as I mount the rack mechanism on the side Referring to Figs. l and 2, A A are the side frames. Furthermore, I so construct the lo- 7o frames of the locomotive, shaped to accomcomotive that the cylinders for the rack mechmodate the boxes of the axles B B of the drivanism are on the outside of the frames within 25 ing-wheels B', and also adapted to receive the easy access in case of repairs, and While I have boxes of the axle D, carrying the toothed shown the rack mechanism mounted in adwheels cl d, which mesh with the racks c c on vance of the adhesion drivers it may be 75 the central rack-bar O. mounted between the drivers and arranged B2 are the pilot-wheels. E is the boiler. E as shown in Figs. 3 and 4. 3o is theI water-saddle, and Iis the cylinder-cast- I have illustrated in Fig. 3 two axles, each ino'. carrying a toothed wheel and having their b The cylinders 7102 are the high and 10W prescranks connected together by parallel rods. 8o sure cylinders of the adhesion mechanism, The carrying-wheels cl2 are dispensed with in being compounded in the present instance. this instance. 3 5 The piston-rods lo 7c of the cylinders t' t" are I claimas Vmy inventionattached to a head K, which slides in suitable 1'. The combination in alocomotive, of drivways and is connected to the crank of the foring-wheels adapted to run on the ordinary ward driving-Wheel byarod J. The rear drivrails, a toothed wheel adapted to mesh with ing-wheel is connected to the forward drivinga rack-rail, side frames carrying the bearings 4o wheel by a parallel rod J for the axles both of the ordinary driving- A cylinder 2 of the rack mechanism is arwheels and of the rack-wheel, and separate ranged on each side of the locomotive, and in power-cylinders and transmitting mechanism 9o the present instance above the cylinder i the for driving the axles independently, said cylpiston-rod k2 of the cylinder 2 is attached to inders and transmitting mechanism being 45 a head K', which is connected to a lever F by outside of the side frames, substantially as a rod f, and this lever F is pivoted at f' to the specified. frame A at each side and the lower arm of the 2. The combination in a locomotive, of the 95 lever is connected by a rod f2 to a crank d side lframes, the adhesion driving -wheels,

axles therefor nionntcdin the side fra1nes,a toothed wheel adapted to engage with a rack, an axle on which the toothed Wheel is mounted, said axle being adapted to the side frames, cranks on the axle beyond the side frames, a cylinder on each side of the engine and levers pivoted to the side frames on each side of the engine, the cranks being connected to one arm of said lever and the piston-rod of the cylinders being connected to the opposite arm, substantially as described.

The combination in a locomotive, of the side frames, two sets of cylinders mounted beyond each side frame, adhesion Wheels, axles therefor, said axles being mounted in the side frames, a central toothed wheel or wheels adapted to engage with the rack, an axle for said Wheel and carrying-Wl1eels on said axle adapted to the tracks, cranks on the axle, a lever hung to each side of the frame, one arm of said lever being connected to the cranks of the axle and the other being connected to the piston of the cylinder, substantially as described.

In testimony whereof I have signed my naine to this specification in the presence of tivo subscribing witnesses.

JACOB Y. lllXJCONNELL.

Witnesses:

WILL. A. BARR, HENRY HowsoN. 

